TWI292914B - - Google Patents

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Publication number
TWI292914B
TWI292914B TW091100639A TW91100639A TWI292914B TW I292914 B TWI292914 B TW I292914B TW 091100639 A TW091100639 A TW 091100639A TW 91100639 A TW91100639 A TW 91100639A TW I292914 B TWI292914 B TW I292914B
Authority
TW
Taiwan
Prior art keywords
flash memory
voltage
write
injection
state
Prior art date
Application number
TW091100639A
Other languages
English (en)
Chinese (zh)
Inventor
Tso Hung Fan
Chih Chieh Yeh
Tao Cheng Lu
Original Assignee
Macronix Int Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Macronix Int Co Ltd filed Critical Macronix Int Co Ltd
Priority to TW091100639A priority Critical patent/TWI292914B/zh
Priority to US10/065,761 priority patent/US6958934B2/en
Priority to US11/198,684 priority patent/US7173849B2/en
Priority to US11/616,770 priority patent/US20070159893A1/en
Application granted granted Critical
Publication of TWI292914B publication Critical patent/TWI292914B/zh

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/10—Programming or data input circuits
    • G11C16/12—Programming voltage switching circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
    • G11C11/5621—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using charge storage in a floating gate
    • G11C11/5628—Programming or writing circuits; Data input circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
    • G11C11/5621—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using charge storage in a floating gate
    • G11C11/5628—Programming or writing circuits; Data input circuits
    • G11C11/5635—Erasing circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C2211/00—Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C2211/56—Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups
    • G11C2211/562—Multilevel memory programming aspects
    • G11C2211/5621—Multilevel programming verification

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Read Only Memory (AREA)
TW091100639A 2002-01-17 2002-01-17 TWI292914B (enExample)

Priority Applications (4)

Application Number Priority Date Filing Date Title
TW091100639A TWI292914B (enExample) 2002-01-17 2002-01-17
US10/065,761 US6958934B2 (en) 2002-01-17 2002-11-15 Method of programming and erasing multi-level flash memory
US11/198,684 US7173849B2 (en) 2002-01-17 2005-08-04 Method of programming and erasing multi-level flash memory
US11/616,770 US20070159893A1 (en) 2002-01-17 2006-12-27 Method of programming and erasing multi-level flash memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW091100639A TWI292914B (enExample) 2002-01-17 2002-01-17

Publications (1)

Publication Number Publication Date
TWI292914B true TWI292914B (enExample) 2008-01-21

Family

ID=21688226

Family Applications (1)

Application Number Title Priority Date Filing Date
TW091100639A TWI292914B (enExample) 2002-01-17 2002-01-17

Country Status (2)

Country Link
US (3) US6958934B2 (enExample)
TW (1) TWI292914B (enExample)

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US6967872B2 (en) * 2001-12-18 2005-11-22 Sandisk Corporation Method and system for programming and inhibiting multi-level, non-volatile memory cells
TWI292914B (enExample) * 2002-01-17 2008-01-21 Macronix Int Co Ltd
US7030149B2 (en) * 2002-04-19 2006-04-18 Allergan, Inc. Combination of brimonidine timolol for topical ophthalmic use
JP4411953B2 (ja) * 2003-12-09 2010-02-10 横河電機株式会社 フィールド機器のメモリ更新システム
US6888758B1 (en) * 2004-01-21 2005-05-03 Sandisk Corporation Programming non-volatile memory
US7173859B2 (en) * 2004-11-16 2007-02-06 Sandisk Corporation Faster programming of higher level states in multi-level cell flash memory
US7269066B2 (en) * 2005-05-11 2007-09-11 Micron Technology, Inc. Programming memory devices
US7180780B1 (en) * 2005-11-17 2007-02-20 Macronix International Co., Ltd. Multi-level-cell programming methods of non-volatile memories
US7483311B2 (en) * 2006-02-07 2009-01-27 Micron Technology, Inc. Erase operation in a flash memory device
CN100514496C (zh) * 2006-03-06 2009-07-15 晶豪科技股份有限公司 擦除快闪存储器单元的方法及应用此方法的快闪存储器装置
US8645793B2 (en) 2008-06-03 2014-02-04 Marvell International Ltd. Statistical tracking for flash memory
KR100771882B1 (ko) * 2006-09-06 2007-11-01 삼성전자주식회사 멀티-레벨 불휘발성 메모리 장치의 프로그램 방법
KR100771883B1 (ko) * 2006-09-06 2007-11-01 삼성전자주식회사 멀티-레벨 불휘발성 메모리 장치 및 프로그램 방법
US7609548B2 (en) * 2006-09-29 2009-10-27 Hynix Semiconductor Inc. Method of programming a multi level cell
WO2008045805A1 (en) * 2006-10-10 2008-04-17 Sandisk Corporation Variable program voltage increment values in non-volatile memory program operations
US7450426B2 (en) * 2006-10-10 2008-11-11 Sandisk Corporation Systems utilizing variable program voltage increment values in non-volatile memory program operations
US7474561B2 (en) * 2006-10-10 2009-01-06 Sandisk Corporation Variable program voltage increment values in non-volatile memory program operations
US8116117B2 (en) * 2006-11-29 2012-02-14 Samsung Electronics Co., Ltd. Method of driving multi-level variable resistive memory device and multi-level variable resistive memory device
KR100801082B1 (ko) * 2006-11-29 2008-02-05 삼성전자주식회사 멀티 레벨 가변 저항 메모리 장치의 구동 방법 및 멀티레벨 가변 저항 메모리 장치
KR100843037B1 (ko) 2007-03-27 2008-07-01 주식회사 하이닉스반도체 플래시 메모리 장치 및 이의 소거 방법
US7508715B2 (en) * 2007-07-03 2009-03-24 Sandisk Corporation Coarse/fine program verification in non-volatile memory using different reference levels for improved sensing
US7599224B2 (en) * 2007-07-03 2009-10-06 Sandisk Corporation Systems for coarse/fine program verification in non-volatile memory using different reference levels for improved sensing
US8031526B1 (en) 2007-08-23 2011-10-04 Marvell International Ltd. Write pre-compensation for nonvolatile memory
US8189381B1 (en) * 2007-08-28 2012-05-29 Marvell International Ltd. System and method for reading flash memory cells
US8085605B2 (en) 2007-08-29 2011-12-27 Marvell World Trade Ltd. Sequence detection for flash memory with inter-cell interference
US8248848B1 (en) 2007-10-01 2012-08-21 Marvell International Ltd. System and methods for multi-level nonvolatile memory read, program and erase
TWI714267B (zh) 2019-09-18 2020-12-21 華邦電子股份有限公司 非揮發性記憶體及其資料寫入方法
US11605434B1 (en) * 2021-08-31 2023-03-14 Micron Technology, Inc. Overwriting at a memory system

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US5132935A (en) * 1990-04-16 1992-07-21 Ashmore Jr Benjamin H Erasure of eeprom memory arrays to prevent over-erased cells
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US5777923A (en) * 1996-06-17 1998-07-07 Aplus Integrated Circuits, Inc. Flash memory read/write controller
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US5835414A (en) * 1996-06-14 1998-11-10 Macronix International Co., Ltd. Page mode program, program verify, read and erase verify for floating gate memory device with low current page buffer
US5822250A (en) * 1996-08-30 1998-10-13 Texas Instruments Incorporated Circuit and process for autotrim of embedded threshold voltage reference bit
US5870335A (en) * 1997-03-06 1999-02-09 Agate Semiconductor, Inc. Precision programming of nonvolatile memory cells
US6134140A (en) * 1997-05-14 2000-10-17 Kabushiki Kaisha Toshiba Nonvolatile semiconductor memory device with soft-programming to adjust erased state of memory cells
EP0932161B1 (en) * 1998-01-22 2004-06-09 STMicroelectronics S.r.l. Method for controlled erasing memory devices, in particular analog and multi-level flash-EEPROM devices
US6058060A (en) * 1998-12-31 2000-05-02 Invox Technology Multi-bit-per-cell and analog/multi-level non-volatile memories with improved resolution and signal-to noise ratio
IT1312212B1 (it) * 1999-04-23 2002-04-09 St Microelectronics Srl Metodo per la cancellazione e riscrittura di celle di memoria nonvolatile ed in particolare di celle flash
US6496417B1 (en) * 1999-06-08 2002-12-17 Macronix International Co., Ltd. Method and integrated circuit for bit line soft programming (BLISP)
US6198662B1 (en) * 1999-06-24 2001-03-06 Amic Technology, Inc. Circuit and method for pre-erasing/erasing flash memory array
EP1074995B1 (en) * 1999-08-03 2005-10-26 STMicroelectronics S.r.l. Method for programming multi-level non-volatile memories by controlling the gate voltage
US6327183B1 (en) * 2000-01-10 2001-12-04 Advanced Micro Devices, Inc. Nonlinear stepped programming voltage
JP4360736B2 (ja) * 2000-01-27 2009-11-11 株式会社ルネサステクノロジ 不揮発性半導体記憶装置および不揮発性半導体記憶装置のデータ消去方法
US6490204B2 (en) * 2000-05-04 2002-12-03 Saifun Semiconductors Ltd. Programming and erasing methods for a reference cell of an NROM array
JP4205311B2 (ja) * 2001-02-26 2009-01-07 富士通マイクロエレクトロニクス株式会社 フローティングゲートを利用した半導体不揮発性メモリ
US6515902B1 (en) * 2001-06-04 2003-02-04 Advanced Micro Devices, Inc. Method and apparatus for boosting bitlines for low VCC read
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TWI292914B (enExample) * 2002-01-17 2008-01-21 Macronix Int Co Ltd
US6894931B2 (en) * 2002-06-20 2005-05-17 Kabushiki Kaisha Toshiba Nonvolatile semiconductor memory device
JP4270832B2 (ja) * 2002-09-26 2009-06-03 株式会社東芝 不揮発性半導体メモリ

Also Published As

Publication number Publication date
US7173849B2 (en) 2007-02-06
US6958934B2 (en) 2005-10-25
US20070159893A1 (en) 2007-07-12
US20050270844A1 (en) 2005-12-08
US20030135689A1 (en) 2003-07-17

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